tsconfig.json

{
  "compilerOptions": {
    "moduleResolution": "node",
    "target": "es5",
    "module": "ESNext",
    "lib": [
      "ESNext",
      "dom"
    ],
    "jsx": "react",
    "strict": true,                        /* Enable all strict type-checking options. */
    "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
    "strictNullChecks": true,              /* Enable strict null checks. */
    "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
    "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */

    "noUnusedLocals": true,                /* Report errors on unused locals. */
    "noUnusedParameters": true,            /* Report errors on unused parameters. */
    "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
    "noFallthroughCasesInSwitch": true, 
    
    "sourceMap": true,
    "declaration": true,
    "declarationDir": "dist/types",
    "allowSyntheticDefaultImports": true,
    "noEmitOnError": true,
    "removeComments": true,
    "noLib": false,
    "importHelpers": true,
    "esModuleInterop": true,
    "typeRoots": [
      "node_modules/@types"
    ]
  },
  "include": [
    "src"
  ],
  "exclude": [
    "node_modules",
    "dist",
    "lib"
  ]
}